中文名稱奎寧環  英文名稱QUINUCLIDINE英文同義詞1,4-ethanopiperidine;1,4-ethylidinepiperidine;1-Azabicyclo[2.2.2]octan;4-AzabiChemicalbookcyclo[2.2.2]octane;Cevimeline,HydrochlorideSalt((+/-)-cis-2-Methylspiro[1,3-oxathiolane-5,3’Chinuclidin;QUINUCLIDINE;1-AZABICYCLO[2.2.2]OCTANE  CAS號100-76-5分子式C7H13N分子量111.18  奎寧環性質熔點157-160°C(lit.)沸點198.35°C(roughestimate)密度0.8928(roughestimate)蒸氣壓1.5mmHg(20°C)折射率1.4500(estimate)溶解度H2O:veryslightlysoluble酸度系數Chemicalbook(pKa)10.87±0.33(Predicted)形態powdertocrystal顏色WhitetoLightyellow水溶解性Solubleinalcohol,diethylether,waterandorganicsolvents.敏感性AirSensitive